单项选择题 TheheartbeatingoverIPaliasesfunctionallowswhichofthefollowing？（）

单项选择题 ForagivenEthernetnetwork，thefailurecycleissetto5secondsandtheheartbeatrateissetto2seconds.Giventhesevalues，whatisthefailuredetectiontimeforthenetwork（inseconds）？（）

单项选择题 An architect is configuring a PowerHA cluster in the following way：The cluster will consist of two nodes. Each node will have two boot interfaces configured as a single PowerHA network. The cluster is to have asingle resource group with a single service address.Heartbeating over aliased is not to be used. What is the minimum number of subnets required to implement this cluster？（）